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Learn in your speed, with individual attention - Teachoo Maths 1-on-1 Class


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Ex 5.1, 2 The following numbers are obviously not perfect squares. Give reason. (ii) 23453 Perfect square ends in 0, 1, 4, 5, 6 or 9. And they can only have even number of zeroes at the end. 23453 ends with 3 ∴ It is not a perfect square.

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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.